Koos Eissen is an associate professor at the Delft University of Technology and teaches freehand drawing classes at the Faculty of Industrial Design Engineering.
库斯·埃森是代夫特理工大学的副教授，主讲工业设计工程的徒手绘图能力课程。
Koos Eissen is an associate professor at the Delft University of Technology and teaches freehand drawing classes at the Faculty of Industrial Design Engineering.
库斯·埃森是代夫特理工大学的副教授，主讲工业设计工程的徒手绘图能力课程。
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